Population genetics and evolution [by] Lawrence E. Mettler [and] Thomas G. Gregg. Mettler, Lawrence E., 1929- Gregg, Thomas G., 1931- joint author. Population genetics. Evolution (Biology) QH431 .M39 575.1 MEP Includes bibliographies. Englewood Cliffs, N.J., Prentice-Hall [1969] [1969] 1969 Text xii, 212 p. eng Foundations of modern genetics series